Anions

AP CHEM

acetate

CH₃COO^-

hypobromite

BrO^-

bromite

BrO₂^-

bromate

BrO₃^-

perbromate

BrO₄^-

hypochlorite

ClO^-

chlorite

ClO₂^-

chlorate

ClO₃^-

perchlorate

ClO₄^-

cyanide

CN^-

dihydrogen phosphate

H₂PO₄^-

formate

HCOO^-

hydrogen carbonate (bicarbonate)

HCO₃^-

hydrogen sulfite (bisulfite)

HSO₃^-

hydrogen sulfate (bisulfate)

HSO₄^-

bisulfide

HS^-

hydroxide

OH^-

nitrite

NO₂^-

nitrate

NO₃^-

hypoiodite

IO^-

iodite

IO₂^-

iodate

IO₃^-

periodate

IO₄^-

permanganate (purple)

MnO₄^-

thiocyanate

SCN^-

carbonate

CO₃^2-

chromate (yellow)

CrO₄^2-

dichromate (orange)

Cr₂O₇^2-

hydrogen phosphate

HPO₄^2-

oxalate

C₂O₄^2-

peroxide

O₂^2-

sulfite

SO₃^2-

sulfate

SO₄^2-

thiosulfate

S₂O₃^2-

phosphite

PO₃^3-

phosphate

PO₄^3-

arsenate

AsO₄^3-